Amanote Research
Register
Sign In
Discover open access scientific publications
Search, annotate, share and cite publications
Publications by Phillip Johnson
Reference Intervals for Plasma Sulfate and Urinary Sulfate Excretion in Pregnancy
BMC Pregnancy and Childbirth
Gynecology
Obstetrics
Cotton Farmers' Technical Efficiency: Stochastic and Nonstochastic Production Function Approaches
Agricultural and Resource Economics Review
Agronomy
Economics
Crop Science
Econometrics
